webrtc/webrtc/voice_engine/monitor_module.cc

93 lines
2.0 KiB
C++

/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/system_wrappers/interface/critical_section_wrapper.h"
#include "webrtc/system_wrappers/interface/tick_util.h"
#include "webrtc/voice_engine/monitor_module.h"
namespace webrtc {
namespace voe {
MonitorModule::MonitorModule() :
_observerPtr(NULL),
_callbackCritSect(*CriticalSectionWrapper::CreateCriticalSection()),
_lastProcessTime(TickTime::MillisecondTimestamp())
{
}
MonitorModule::~MonitorModule()
{
delete &_callbackCritSect;
}
int32_t
MonitorModule::RegisterObserver(MonitorObserver& observer)
{
CriticalSectionScoped lock(&_callbackCritSect);
if (_observerPtr)
{
return -1;
}
_observerPtr = &observer;
return 0;
}
int32_t
MonitorModule::DeRegisterObserver()
{
CriticalSectionScoped lock(&_callbackCritSect);
if (!_observerPtr)
{
return 0;
}
_observerPtr = NULL;
return 0;
}
int32_t
MonitorModule::Version(char* version,
uint32_t& remainingBufferInBytes,
uint32_t& position) const
{
return 0;
}
int32_t
MonitorModule::ChangeUniqueId(int32_t id)
{
return 0;
}
int32_t
MonitorModule::TimeUntilNextProcess()
{
uint32_t now = TickTime::MillisecondTimestamp();
int32_t timeToNext =
kAverageProcessUpdateTimeMs - (now - _lastProcessTime);
return (timeToNext);
}
int32_t
MonitorModule::Process()
{
_lastProcessTime = TickTime::MillisecondTimestamp();
if (_observerPtr)
{
CriticalSectionScoped lock(&_callbackCritSect);
_observerPtr->OnPeriodicProcess();
}
return 0;
}
} // namespace voe
} // namespace webrtc